Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially directed pin
Patent
1995-05-02
1997-12-16
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially directed pin
403 74, 403291, 464112, 464147, F16D 316
Patent
active
056978499
ABSTRACT:
The axially stiff link provides a rigid connection linking two shaft segments (1, 2) of a shaft such that it can bend and or twist yet remain rigid with no slop for high tolerance positioning applications. The link is composed of two rolling elements (4) attached to the shaft segments (1, 2) having a rolling line contact (10) with each other. The rolling elements (4) are held together and preloaded by a ring spring (6) which encircles a portion of the rolling element extending transversely from the shaft segment and engages it by rolling line contact (8). The rolling elements may be solid plain curved portions of the shaft ends, a cylindrical bar, cylindrical bar pairs, or conical pairs to provide for torsional as well as axial bending in the link. Closely spaced perpendicularly disposed axial links provide for 2 axis bending of the shaft.
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Boeing North American Inc.
Dunn Eileen A.
Field Harry B.
Kahm Steven E.
Stodola Daniel P.
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